Thomas Gensemer, managing partner of Blue State Digital, discusses best practices for building and mobilizing online communities, at the BRITE '10 conference. He presents lessons from Blue State Digitals work with the Red Cross, the Tate Museum and the Obama campaign. The BRITE '10 conference on brands, innovation and technology is hosted by the Center on Global Brand Leadership at Columbia Business School. Learn more at http://www.briteconference.com or http://www.globalbrands.org